Table 2– Pairwise comparison of interferon-γ response to Rv2628 after 1 day of in vitro stimulation at different stages of Mycobacterium tuberculosis infection/disease
Rv2628 positivity n/N (%)Cured TBActive TBRecent infectionControls
Remote LTBI14/16 (87.50.178<0.001<0.001<0.001
Cured TB24/45 (53.30.0560.0480.001
Active TB12/50 (24.0)1.0000.537
Recent infection4/23 (17.31.000
Controls0/15 (0)
  • Data are presented as p-values, unless otherwise indicated; the hypothesis of equal proportion was tested using Fisher’s exact test with Bonferroni correction (a p-value of ≤0.05 was regarded as significant). N: number of subjects in group; TB: tuberculosis; LTBI: latent TB infection.